Oleic Acid
time:2012-10-02 16:22:50,count:0

Oleic Acid
Alias
(Z)-9-octadecenoic acid
18:1Δ9c
Category
Anionic surfactants-Carboxylate
CAS No.
112-80-1
Molecular Formula & Molecular Weight
Molecular Formula: C18H34O2
Molecular Weight: 282.46
Structural Formula
Properties
Appearance: colorless liquid (pure substance); pale yellow to deep red liquid (commercially available). after freezing: white or slightly yellow paste.
Odor: odor of animal fats or vegetable oils.
Solubility: insoluble in water. soluble in ethanol, ether, chloroform, toluene.
Stability: stable. easily oxidized.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: 25000mg/Kg;
monkey intravenous LD: > 0.04mL/Kg;
mouse intraperitoneal LD50: 282mg/Kg;
mouse intravenous LD50: 230mg/Kg;
mouse oral LD50: 28000mg/Kg;
rabbit intravenous LD: > 55mg/Kg;
rat intravenous LD50: 2.4mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent lubricating, antirust, dispersing, emulsifying, cleansing abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
Y-4 type
Y-8 type
Y-10 type
freezing point, ℃, ≤
4.0
8.0
10.0
 
iodine value, gI2/100g
80-102
80-102
80-102
 
saponification value, mgKOH/g
190-205
190-205
185-205
 
moisture, %, ≤
0.3
0.3
0.3
 
C18: 1 oleic acid content, %, ≥
70
70
70
 
Major Uses
Widely used in preparation of oleic acid esters. oleic acid esters used in personal care products, food, medicine.
Widely used in preparation of oleic acid salts. Oleic acid salts used in personal care products, household cleaning products, fabricated metal products, plastic products.
Lubricant, rust inhibitor in metalworking fluid.
Cleansing agent in industrial cleaning products.
Use as dispersing agent, emulsifying agent.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:112-80-1
Update: 20131102(1);

Home | Surfactants | Documents | Standards | Enterprise | Essays | Links | Navigation | Copyright | Advertising | About us | Bulletin

简体中文 | 繁體中文 | English

MP: 0086 180 0222 7832;   Email: ssunliu@gmail.com

Copyright 2004-2016 SAAPedia All Rights Reserved.